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Multi-item solid transportation problem with type-2 fuzzy parameters
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DOI：10.1016/j.asoc.2015.02.007.png)
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摘要
En 中文
In this paper, a multi-item solid transportation problem with parameters, e.g., transportation costs, supplies and demands as type-2 triangular fuzzy variables is formulated. In this problem there are restrictions on some items and conveyances so that some specific items cannot be transported through some particular conveyances. With the critical value (CV)-based reductions of type-2 fuzzy variables, a chance-constrained programming model is formulated for the problem and then this model is converted to an equivalent deterministic form. Here, we propose a method to find nearest interval approximations for continuous type-2 fuzzy variables. A deterministic form for the problem is also obtained by applying interval analysis using the interval approximations of continuous type-2 fuzzy variables. The reduced deterministic problems are solved using a gradient based optimization - Generalized Reduced Gradient(GRG) technique (using LINGO solver) and Genetic Algorithm. Numerical example is provided to illustrate the problem and methods. (C) 2015 Elsevier B.V. All rights reserved.
Keyword:
Multi-item transportation problem
Solid transportation problem
Type-2 fuzzy set
Reduction method
Interval approximation
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期刊
IF:
6.6
论文数:
1.4W
被引数:
4.8W
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